Neighbour countries produced territorial pretensions against Georgia, as soon as Georgia's independence was restored (May 26, 1918). Armenians were the most active, whose aggresive actions lead us to the war between Armenia and Georgia in 1918. In the article there are reviewed the subjects, which made the possibility of declaring this war – Armenians territorial pretensions from ancient times to 20^th century: the short history of the immigration of Armenians in Georgia, immigrated Armenians activity, the creation of the compact settlements in Georgia in the 19^th century and others.